Home / 68,344.92-102,501.18-21,598.20

Finding the Fourth Proportional to 68,344.92, 102,501.18 and 21,598.20

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Solution

The fourth proportional to 68,344.92, 102,501.18 and 21,598.20 is: 32,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,344.92 : 102,501.18 = 21,598.20 : x
  2. Step 2: Convert to fraction form
    68,344.92/102,501.18 = 21,598.20/x
  3. Step 3: Cross multiply
    68,344.92x = 102,501.18 × 21,598.20
  4. Step 4: Simplify right side
    68,344.92x = 2,213,840,985.88
  5. Step 5: Solve for x
    x = 2,213,840,985.88/68,344.92
  6. Step 6: Final answer
    x = 32,392.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.